Manuela 12Z temperature 1984 - - -17.5 - - - - - - - - - 1985 - -12.4 -18.0 -23.6 - -25.3 -28.1 -25.5 -26.6 -21.6 -10.7 -4.2 1986 -3.6 -8.5 -18.1 -21.9 -21.3 -25.6 -24.8 -26.9 -28.3 -19.8 -11.4 -3.3 1987 -1.8 -11.4 -19.7 -26.0 -26.4 - - - - - - - 1988 -4.8 -11.8 -20.8 -22.0 -26.0 -25.5 -26.8 -23.8 -22.7 -15.9 -12.3 -5.1 1989 -5.0 -12.8 -19.1 -21.6 -26.8 -30.2 -26.1 -28.8 -22.9 -20.3 -11.4 -3.6 1990 -5.2 -12.4 -20.5 -26.2 -25.6 -26.6 -22.1 -28.4 -27.2 -20.2 -9.8 -3.6 1991 -4.8 -9.3 -21.2 -22.0 -26.0 -22.6 -25.7 -24.3 -24.0 -19.9 -11.9 -3.0 1992 -5.5 -11.5 -19.8 -25.5 -24.7 -24.5 -24.5 -21.8 -28.4 -21.1 -11.7 -6.2 1993 -3.9 -11.8 -19.7 -25.0 -29.9 -26.6 -26.0 -28.9 -24.3 -21.7 -11.4 -6.5 1994 -4.0 -12.9 -23.4 -21.7 -29.2 -26.4 -24.7 -30.8 -25.1 -20.5 -12.1 -5.9 1995 -5.9 -11.4 -19.5 -24.3 -25.8 -25.6 -25.0 -25.0 -26.0 -21.3 -11.7 -3.6 1996 -5.6 -11.2 -17.4 -21.1 -27.9 -27.6 -27.0 -22.7 -26.4 -23.0 -10.1 -4.8 1997 -4.8 -12.5 -21.1 -26.4 -26.8 -24.5 -30.2 -30.2 -24.8 -17.2 -9.0 -6.0 1998 -6.7 -10.9 -22.3 -27.7 -25.5 -23.3 -27.7 -25.3 -28.7 -19.6 -12.1 -4.0 1999 -4.4 -11.7 -21.4 -26.1 -27.9 -23.7 -25.0 -27.9 -24.9 -20.0 -10.6 -6.2 2000 -6.3 -12.5 -20.6 -24.8 -25.2 -25.7 -25.2 -27.2 -22.3 -21.6 -10.3 -5.9 2001 -6.2 -11.1 -19.8 -24.7 -25.7 -24.6 -26.4 -29.5 -25.6 -21.7 -11.6 -3.8 2002 -3.4 -11.5 -19.1 -25.7 -23.0 -25.4 -28.3 -31.9 -24.0 -20.4 -12.3 -5.9 2003 -3.8 - - -26.3 - -26.7 -26.7 - - - - - 2004 - - - - - - - - - - - - 2005 - -12.4 -20.8 -26.5 -25.3 -25.9 -26.6 -27.6 - -18.6 -10.4 -3.3 2006 -4.2 - - - - - - - - - - - 2007 - - - - - - - - - - - - 2008 - - - - - - - - - - - - 2009 - - - - - - - - - - - -